Ronald G. Roberson, CSP (28 May 2009). "The Patriarchate of Jerusalem". Catholic Near East Welfare Association (CNEWA). Retrieved 31 October 2013.
Ronald G. Roberson, CSP (3 January 2013). "The Patriarchate of Antioch". Catholic Near East Welfare Association (CNEWA). Retrieved 31 October 2013.
Ronald G. Roberson, CSP (2 January 2007). "The Autocephalous Churches". Catholic Near East Welfare Association (CNEWA). Archived from the original on 2 November 2013. Retrieved 31 October 2013.
Elias D. Mallon, S.A., Ph.D. (11 January 2013). "Pentarchy". Catholic Near East Welfare Association (CNEWA). Archived from the original on 2 November 2013. Retrieved 31 October 2013.{{cite web}}: CS1 maint: multiple names: authors list (link)
Ronald G. Roberson, CSP (2 January 2007). "The Autocephalous Churches". Catholic Near East Welfare Association (CNEWA). Archived from the original on 2 November 2013. Retrieved 31 October 2013.
Elias D. Mallon, S.A., Ph.D. (11 January 2013). "Pentarchy". Catholic Near East Welfare Association (CNEWA). Archived from the original on 2 November 2013. Retrieved 31 October 2013.{{cite web}}: CS1 maint: multiple names: authors list (link)
